<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <link rel="stylesheet" href="font/iconfont.css">
    <style>
        i{
            font-size: 50px !important;
            color: red
        }
    </style>
</head>
<body>
    <i class="iconfont icon-luosiding"></i>
    <!-- class="iconfont icon-xxx" -->
</body>
</html>
<!-- 
    fontclass优缺点
        - 优点:简单、兼容性好
        - 缺点:不能改变颜色
 -->